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Enrique Pena Nieto, presidential candidate for the Institutional Revolutionary Party (PRI), speaks during a meeting with Mexican universities rectors in Mexico, Monday, May 21, 2012. Pena Nieto, the front-running candidate in the race for Mexico's July 1 presidential election, is pledging to respect transparency and plurality if elected, things his Institutional Revolutionary Party was not known for during 71 years in power. (AP Photo/Eduardo Verdugo)
/ AP